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lyase
This term is a highly specialized technical noun used exclusively within biochemistry and molecular biology. It describes a specific class of enzymes categorized by the International Union of Biochemistry and Molecular Biology (IUBMB). Unlike hydrolases, which use water to break bonds, or oxidoreductases, which involve electron transfer, a lyase removes a group from a substrate to create a double bond or adds a group to a double bond.
In professional scientific literature, the term is used as a classification label rather than a descriptive adjective. It is almost always encountered in the context of metabolic pathways, such as the citric acid cycle, where specific lyases like fumarase operate.
Meanings
Examples
The researcher identified a specific lyase that breaks down the substrate without using water.
Is this particular lyase responsible for the formation of the double bond in the product?
A lyase typically catalyzes the non-hydrolytic cleavage of C-C or C-O bonds.
A lyase typically catalyzes the non-hydrolytic cleavage of C-C or C-O bonds.
I need to check if this enzyme is classified as a lyase or a hydrolase.
The reaction was accelerated by adding a purified lyase to the test tube.
Decarboxylases are a common type of lyase found in many metabolic pathways.
The protein structure suggests that the active site of the lyase is highly conserved.
We must determine the optimal pH for this lyase to function efficiently.